Suhardi, Y. (2011). Kewirausahaan Yusuf Suhardi. Ghalia Indonesia.
Chicago Style (17th ed.) CitationSuhardi, Yusuf. Kewirausahaan Yusuf Suhardi. Ghalia Indonesia, 2011.
MLA (8th ed.) CitationSuhardi, Yusuf. Kewirausahaan Yusuf Suhardi. Ghalia Indonesia, 2011.
Warning: These citations may not always be 100% accurate.